In Reply.
—In reply to the letter from Zhu and Norris, we wish to make the following comments.While we would accept that our large, prospective, clinical study has some limitations, we believe the data collected justify the conclusions made.This study did not aim to assess the value of the electroencephalogram in predicting the risk of developing seizures in acute stroke. Clearly, electroencephalograms were not obtained from all patients, and we drew no conclusions from the electroencephalographic data collected.The sex ratio of patients with seizures was the same as those without seizures (55% male, 45% female), and there was no significant difference in the mean age of patients with seizures (62 ± 10 years) and those without seizures (66 ± 15 years).Table 2 does not list the pathogenesis of all cortical infarcts but only those pathogeneses associated with seizures, hence the difference between the total number of